Question

meeee ajudeeem!!!!!!!!!!​

Answer 1

Resposta:

$(x + 1)^{2} = {5}^{2} + {x}^{2} \\ {x}^{2} + 2x + 1 = 25 + {x}^{2} \\ {x}^{2} - {x}^{2} + 2x = 25 - 1 \\ 2x = 24 \\ x = \frac{24}{2} \\ x = 12$